Humankind has begun to explore space, colonizing planets throughout the galaxy. Leading the way are the SPACE MARINES, the toughest heavy metal warriors in the galaxy! Armed to the teeth with state-of-the-art weaponry, they keep the peace in a universe filled with danger... and ALIENS!

Vicious, gruesome, and deadly, the Aliens spit acid, and use slithering face huggers to capture their prey. Led by their sinister Queen, the Aliens are spreading everywhere, mutating into more deadly forms as they go. Earth's last defense: The Space Marines, known throughout the galaxy as the best bug-fighters around.

While investigating reports of Xenomorph infestation on a barren planet, Bishop and Sgt. Apone are attacked by numerous Aliens. Bishop is damaged, while Apone is captured and taken to a nearby Hive. Bishop calls in Corp. Hicks to help him rescue Apone before he is implanted by a Facehugger and beyond their help...